Home / 356,288.10-491,676.12-195,153.18

Finding the Fourth Proportional to 356,288.10, 491,676.12 and 195,153.18

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Solution

The fourth proportional to 356,288.10, 491,676.12 and 195,153.18 is: 269,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,288.10 : 491,676.12 = 195,153.18 : x
  2. Step 2: Convert to fraction form
    356,288.10/491,676.12 = 195,153.18/x
  3. Step 3: Cross multiply
    356,288.10x = 491,676.12 × 195,153.18
  4. Step 4: Simplify right side
    356,288.10x = 95,952,158,348.06
  5. Step 5: Solve for x
    x = 95,952,158,348.06/356,288.10
  6. Step 6: Final answer
    x = 269,310.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.